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Habitat use by fish ('o'opu), snails (hihiwai), shrimp ('opae) and prawns in two streams on the island of Moloka'i
|Title:||Habitat use by fish ('o'opu), snails (hihiwai), shrimp ('opae) and prawns in two streams on the island of Moloka'i|
|Authors:||Brasher, Anne M.|
|LC Subject Headings:||Freshwater fishes -- Habitat -- Hawaii -- Molokai.|
Shrimps -- Habitat -- Hawaii -- Molokai.
Snails -- Habitat -- Hawaii -- Molokai.
Stream ecology -- Hawaii -- Molokai.
|Date Issued:||Dec 1997|
|Publisher:||Cooperative National Park Resources Studies Unit, University of Hawaii at Manoa, Department of Botany|
|Citation:||Brasher AM. 1997. Habitat use by fish ('o'opu), snails (hihiwai), shrimp ('opae) and prawns in two streams on the island of Moloka'i. Honolulu (HI): Cooperative National Park Resources Studies Unit, University of Hawaii at Manoa, Department of Botany. PCSU Technical Report, 116.|
|Abstract:||Habitat use by gobies, molluscs and crustaceans was evaluated in two streams on the Island of Moloka'i, Hawai'i. One stream, Waikolu, is diverted while the other, Pelekunu, is not. The study focused on three native gobies (Awaous guamensis, Sicyopterus stimpsoni and Lentipes concolor), a native snail (Neritina granosa), a native shrimp (Atyoida bisulcata) and an introduced prawn (Macrobrachium lar). In both Waikolu and Pelekunu Streams, species showed less longitudinal separation than typically report Hawaiian stream systems. The range of habitat availability was wider in Pelekunu Stream than in Waikolu Stream, reflecting the fact that Waikolu Stream is diverted. Overall, habitat use tended to reflect availability, with animals utilizing the deeper and faster water available in Pelekunu Stream; consequently, species overlap was higher in Waikolu Stream. The impact of diversions on fauna in oceanic islands such as Hawai'i can be especially severe because dewatering will prevent downstream dispersal of larvae and upstream migration of post-larvae, critical to the lifecycle of amphidromous species.|
|Description:||Reports were scanned in black and white at a resolution of 600 dots per inch and were converted to text using Adobe Paper Capture Plug-in.|
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The PCSU and HPI-CESU Technical Reports 1974 - current|
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